/Engine/Source/Runtime/Slate/Public/Framework/Application/SlateApplication.h
Spawns a tool tip window. If an existing tool tip window is open, it will be dismissed first.
void SpawnToolTip ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IToolTip](API\Runtime\SlateCore\Widgets\IToolTip) > & InToolTip, const [UE::Slate::FDeprecateVector2DParameter](API\Runtime\SlateCore\Types\FDeprecateVector2DParameter) & InSpawnLocation )